3-Wire Units

• For clamping 3-wire for measuring the pitch

  diameter of screw threads.

   D=M-3d+0.866025P

   D=Pitch diameter
   P=Screw thread pitch
   d=Diameter of wire
   M=Measured length

Sets-A & Sets-B without 3-wire list

3-Wire diameter	3-Wire diameter
Ø0.17-Ø0.30mm	Ø1.20-Ø1.50mm
Ø0.30-Ø0.50mm	Ø1.60-Ø2.00mm
Ø0.50-Ø0.80mm	Ø2.30-Ø2.60mm
Ø0.80-Ø1.10mm	Ø2.80-Ø3.20mm
Sets-A(supporter diameter Ø6.5mm)
Sets-B(supporter diameter Ø8mm)

Sets-C & Sets-D with 3-wire list

3-Wire diameter	3-Wire diameter
Ø0.17mm	Ø0.62mm
Ø0.195mm	Ø0.725mm
Ø0.22mm	Ø0.895mm
Ø0.25mm	Ø1.1mm
Ø0.29mm	Ø1.35mm
Ø0.335mm	Ø1.65mm
Ø0.39mm	Ø2.05mm
Ø0.455mm	Ø2.55mm
Ø0.53mm	Ø3.2mm
Sets-C(supporter diameter Ø6.5mm)
Sets-D(supporter diameter Ø8mm)